{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Interestingly , a corresponding change is observed in ventral tegmental area ( VTA ) GABA ( A ) receptors , which change from mediating hyperpolarization of VTA GABA neurons to mediating depolarization ."}
{"Chemical": ["GABA"]}